Gemini 2.5 Pro TTS Preview
Gemini 2.5 Pro TTS Preview is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 128k context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Vision or document-understanding workloads
- Family
- Gemini 2.5
- Released
- 2025-04-01
- Context
- 128k
- Architecture
- Decoder Only
- Specialization
- audio
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Training
- Pretrained
Cheapest of 1 route · Google AI Studio
About
Gemini 2.5 Pro TTS Preview is Google DeepMind's Gemini 2.5 model focused on audio understanding and generation. It offers a 128K-token context window.
Gemini 2.5 Pro TTS Preview is a proprietary model in the Gemini 2.5 family. The structured metadata tracks a 128k-token context window, audio, function calling, and tool use. This page tracks provider routes through Google AI Studio. No headline benchmark score is tracked for Gemini 2.5 Pro TTS Preview yet.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Batch in / out | Route |
|---|---|---|---|---|
| Google AI Studio | $1.00 | - | $0.500 / - | ServerlessPartial |
Available via routers & gateways(13)
LiteLLM
GatewayOpen-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Helicone
GatewayObservability-first AI gateway with routing, caching, rate limiting, and request tracing; Apache 2.0 open-source core with a managed hosted tier for logging and analytics.
Kong AI Gateway
GatewayMulti-LLM AI gateway built on Kong Gateway 3.x, adding semantic routing, load balancing, guardrails, and MCP traffic analytics as plugins over Kong's existing API management platform.
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
Frequently asked questions
What is the context window of Gemini 2.5 Pro TTS Preview?
Gemini 2.5 Pro TTS Preview has a context window of 128k tokens.
How much does Gemini 2.5 Pro TTS Preview cost?
Gemini 2.5 Pro TTS Preview is available at $1.00/1M input tokens through Google AI Studio.
When was Gemini 2.5 Pro TTS Preview released?
Gemini 2.5 Pro TTS Preview was released on 2025-04-01.
Which providers offer Gemini 2.5 Pro TTS Preview?
Gemini 2.5 Pro TTS Preview is available from 1 provider: Google AI Studio.
Cheapest of 1 route · Google AI Studio